Generation of 'truncated' interleukin-6 receptor (IL-6R) mRNA by alternative splicing; a possible source of soluble IL-6R

Marianna Csilla Holub, C. Szalai, Anna Polgár, S. Tóth, A. Falus

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Receptors for interleukin-6 (IL-6) occur in body fluids in soluble form, as well. This is an approx. 50 kDa protein with the ability to bind IL-6. The soluble IL-6 receptor (sIL-6R)/IL-6 complex can attach to membrane anchored gp130, a molecule associated with the signal transduction induced by IL-6 and by other related cytokines. Earlier we described the appearance of sIL-6R in various body fluids of autoimmune patients. In this study using reverse transcriptase polymerase chain reaction (RT-PCR) we isolated and characterised a truncated form of amplified cDNA reverse-transcribed from IL- 6 receptor mRNA both from human hepatoma cell line HepG2 and mononuclear cells from inflammatory bowel disease (IBD) patients. Using digestion by Pvu II restriction endonuclease and direct nucleotide sequencing we conclude that alternative splicing is likely involved in generation of sIL-6R. Our further experiments suggest that IL-6 and recombinant sIL-6R themselves do not influence the alternative splicing of IL-6 receptor gene.

Original languageEnglish
Pages (from-to)121-124
Number of pages4
JournalImmunology Letters
Volume68
Issue number1
DOIs
Publication statusPublished - May 3 1999

Fingerprint

Interleukin-6 Receptors
Alternative Splicing
Messenger RNA
Interleukin-6
Body Fluids
DNA Restriction Enzymes
Hep G2 Cells
Reverse Transcriptase Polymerase Chain Reaction
Inflammatory Bowel Diseases
Digestion
Hepatocellular Carcinoma
Signal Transduction
Nucleotides
Complementary DNA
Cytokines
Cell Line
Membranes

Keywords

  • Alternative splicing
  • Interleukin-6 receptor
  • Soluble receptor

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy

Cite this

Generation of 'truncated' interleukin-6 receptor (IL-6R) mRNA by alternative splicing; a possible source of soluble IL-6R. / Csilla Holub, Marianna; Szalai, C.; Polgár, Anna; Tóth, S.; Falus, A.

In: Immunology Letters, Vol. 68, No. 1, 03.05.1999, p. 121-124.

Research output: Contribution to journalArticle

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